Examination of a microwave sensing system using superconducting devices

N. Sekiya, Masashi Mukaida, A. Saito, S. Hirano, S. Oshima

Research output: Contribution to journalConference article

Abstract

We have designed and fabricated a microwave sensing system integrated with superconducting devices which can detect motion for crime prevention and security purposes. The system consists of a transmitting antenna, a receiving antenna, a power divider as a directional coupler, and a mixer. The antennas and the directional coupler were fabricated using 50-nm thick YBa 2Cu3O7-δ (YBCO) thin films. A superconducting antenna with a resonant frequency of 10.525 GHz and a superconducting directional coupler were designed and fabricated for the system. A Schottky barrier diode was used as a mixer. These devices were integrated and their operation as a sensor was examined. Comparisons of the output voltage of the IF signal amplifier showed that the superconducting integrated sensor system was superior to the normal conductor sensor.

Original languageEnglish
Pages (from-to)1622-1627
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume426-431
Issue numberII
DOIs
Publication statusPublished - Oct 6 2005
EventProceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity -
Duration: Nov 23 2004Nov 25 2004

Fingerprint

Superconducting devices
superconducting devices
Directional couplers
directional couplers
antennas
examination
Microwaves
Antennas
microwaves
Sensors
Schottky barrier diodes
sensors
Receiving antennas
Crime
crime
dividers
Natural frequencies
Schottky diodes
resonant frequencies
Thin films

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Examination of a microwave sensing system using superconducting devices. / Sekiya, N.; Mukaida, Masashi; Saito, A.; Hirano, S.; Oshima, S.

In: Physica C: Superconductivity and its applications, Vol. 426-431, No. II, 06.10.2005, p. 1622-1627.

Research output: Contribution to journalConference article

Sekiya, N. ; Mukaida, Masashi ; Saito, A. ; Hirano, S. ; Oshima, S. / Examination of a microwave sensing system using superconducting devices. In: Physica C: Superconductivity and its applications. 2005 ; Vol. 426-431, No. II. pp. 1622-1627.
@article{7c299a8f663c4b79bac285e61ce359d2,
title = "Examination of a microwave sensing system using superconducting devices",
abstract = "We have designed and fabricated a microwave sensing system integrated with superconducting devices which can detect motion for crime prevention and security purposes. The system consists of a transmitting antenna, a receiving antenna, a power divider as a directional coupler, and a mixer. The antennas and the directional coupler were fabricated using 50-nm thick YBa 2Cu3O7-δ (YBCO) thin films. A superconducting antenna with a resonant frequency of 10.525 GHz and a superconducting directional coupler were designed and fabricated for the system. A Schottky barrier diode was used as a mixer. These devices were integrated and their operation as a sensor was examined. Comparisons of the output voltage of the IF signal amplifier showed that the superconducting integrated sensor system was superior to the normal conductor sensor.",
author = "N. Sekiya and Masashi Mukaida and A. Saito and S. Hirano and S. Oshima",
year = "2005",
month = "10",
day = "6",
doi = "10.1016/j.physc.2005.01.081",
language = "English",
volume = "426-431",
pages = "1622--1627",
journal = "Physica C: Superconductivity and its Applications",
issn = "0921-4534",
publisher = "Elsevier",
number = "II",

}

TY - JOUR

T1 - Examination of a microwave sensing system using superconducting devices

AU - Sekiya, N.

AU - Mukaida, Masashi

AU - Saito, A.

AU - Hirano, S.

AU - Oshima, S.

PY - 2005/10/6

Y1 - 2005/10/6

N2 - We have designed and fabricated a microwave sensing system integrated with superconducting devices which can detect motion for crime prevention and security purposes. The system consists of a transmitting antenna, a receiving antenna, a power divider as a directional coupler, and a mixer. The antennas and the directional coupler were fabricated using 50-nm thick YBa 2Cu3O7-δ (YBCO) thin films. A superconducting antenna with a resonant frequency of 10.525 GHz and a superconducting directional coupler were designed and fabricated for the system. A Schottky barrier diode was used as a mixer. These devices were integrated and their operation as a sensor was examined. Comparisons of the output voltage of the IF signal amplifier showed that the superconducting integrated sensor system was superior to the normal conductor sensor.

AB - We have designed and fabricated a microwave sensing system integrated with superconducting devices which can detect motion for crime prevention and security purposes. The system consists of a transmitting antenna, a receiving antenna, a power divider as a directional coupler, and a mixer. The antennas and the directional coupler were fabricated using 50-nm thick YBa 2Cu3O7-δ (YBCO) thin films. A superconducting antenna with a resonant frequency of 10.525 GHz and a superconducting directional coupler were designed and fabricated for the system. A Schottky barrier diode was used as a mixer. These devices were integrated and their operation as a sensor was examined. Comparisons of the output voltage of the IF signal amplifier showed that the superconducting integrated sensor system was superior to the normal conductor sensor.

UR - http://www.scopus.com/inward/record.url?scp=25444511777&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=25444511777&partnerID=8YFLogxK

U2 - 10.1016/j.physc.2005.01.081

DO - 10.1016/j.physc.2005.01.081

M3 - Conference article

AN - SCOPUS:25444511777

VL - 426-431

SP - 1622

EP - 1627

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

IS - II

ER -